Thanks for the info - I'll see if I can get a
copy.
Dick J
--- The Butters Family <bbutters@dmi.net> wrote:
> Went down to get my "new"
> Speed-O-Motive catalog, yicks it's l996
> edition, how does this happen so quickly?
> Anyway they have a very good
> tech article on running nitrous,I assume the
> new catalog does also. There in
> Santa Fe Springs, CA. phone number should be
> 562-945-2758, The main thrust
> of the article is the importance of retarding
> spark so your peek cylinder
> pressures are in the right place at the right
> time. This is an extremely
> informative article from guys that should have
> a pretty good handle on the
> subject. Kvach in No. Idaho
> <saltracer@awwwsome.com>
> To: Dick J <lsr_man@yahoo.com>
> Cc: dahlgren <dahlgren@uconect.net>;
> <Land-speed@autox.team.net>
> Sent: Monday, May 22, 2000 7:27 AM
> Subject: Re: Fuel and Gas Class
>
>
> > Dick,
> >
> > I think it depends on how much nitrous you
> intend to use. Some articles
> > I have read say that lower compression ratios
> work better with high HP
> > systems. There are some excellent articles in
> the past Hot Rod
> > Magazines. I will look through my collection
> and see if I can come up
> > with the issues. I'm sure that there is also
> good info on the net.
> >
> > Tom, Redding CA - #216 D/CC - It was 100
> degrees here yesterday,
> > looking for more of the same through this
> week
> >
> >
> >
> >
> > Dick J wrote:
> > >
> > > What CR would be recommended for
> Nitro/Alky mix,
> > > higher or lower than for gasoline?
> > >
> > > --- "Thomas E. Bryant"
> <saltracer@awwwsome.com>
> > > wrote:
> > > > Dick,
> > > >
> > > > It really depends on what you want to do,
> I
> > > > guess. I have always used
> > > > the same motor in both classes. I just
> build
> > > > for Gas Class and accept
> > > > that it will be a little less effective
> on
> > > > Fuel.
> > > >
> > > > We run about 12.5:1 compression, I have
> found
> > > > that it gets real
> > > > difficult to get much more than 13:1 in a
> 302
> > > > cu in Chevrolet motor. We
> > > > do well on Alky, better when adding
> nitrous,
> > > > and have run 33% nitro with
> > > > good success in the 1/4 and 1/2 mile
> drags. In
> > > > 1967, we ran 190 MPH at
> > > > El Mirage in D/FR, at that time we held
> the
> > > > D/GR record at 173.74 MPH.
> > > > That was as far as I could run the engine
> on
> > > > nitro without major
> > > > problems, it was detonating severely at
> the end
> > > > of the run. My best time
> > > > at Bonneville on nitro was 196, I could
> never
> > > > make it live past the 1
> > > > 1/2 mile with all cylinders running. It
> was
> > > > surely a great ride while it
> > > > lasted.
> > > >
> > > > I was running a basic gasoline setup,
> just
> > > > changing nozzles and jet, the
> > > > fuel pump was a Hilborn "0" which didn't
> > > > deliver enough fuel for the
> > > > longer runs. Everyone told me that
> running that
> > > > percentage on 12.5:1
> > > > compression ratio wouldn't work and
> basically
> > > > they were right, but I got
> > > > by with it on the short runs and had a
> ball.
> > > > Kinsler tells me that I
> > > > could run up to 20% nitro with the pump
> and
> > > > nozzles I am using for Alky.
> > > > They recommend going 16% larger richer on
> the
> > > > bypass jet for each 10% of
> > > > nitro. Some day I'm going to try it
> again. I
> > > > have five gallons of nitro
> > > > that I have been saving for a long time.
> > > >
> > > > Tom, Redding CA - #216 D/CC
> > > >
> > > >
> > > >
> > > >
> > > > Dick J wrote:
> > > > >
> > > > > Tom,
> > > > > I was just cruisin through your website
> again
> > > > and
> > > > > noticed that you made the notation that
> you
> > > > run
> > > > > both gas and fuel under a single photo,
> which
> > > > got
> > > > > me thinking. Do you run both gas and
> fuel in
> > > > the
> > > > > same motor? Can you do it all at one
> meet?
> > > > Or is
> > > > > it a complete changeover from one meet
> to
> > > > > another? I have often wondered what
> the
> > > > > differences between fuel and gas motors
> were.
> > > > I
> > > > > know that gas motors run common CRs in
> the
> > > > 10:1 -
> > > > > 12:1 area, and alcohol runs something
> like
> > > > 15:1.
> > > > > What if they are blown motors, CR must
> be a
> > > > lot
> > > > > lower. What about unblown nitro motor
> - what
> > > > > kind of CR does that run? And last,
> what
> > > > about a
> > > > > blown nitro motor - what CR do they
> run?
> > > > >
> > > > > I guess what I'm asking is: can a
> single
> > > > motor,
> > > > > either blown or unblown, be built to
> run both
> > > > > gasoline and nitro, or alcohol with
> just
> > > > simple
> > > > > changes like timing and jets?
> > > > >
> > > > > =====
> > > > > .............................
> > > > > ..........Dick J.............
> > > > > ......(In East Texas)........
> > > > > ..........# 729..............
> > > > > ........Roadsters............
> > > > > .Hemis and Flatheads Forever.
> > > > > .............................
> > > > >
> > > > >
> > > >
> > >
>
__________________________________________________
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> > >
> > > =====
> > > .............................
> > > ..........Dick J.............
> > > ......(In East Texas)........
> > > ..........# 729..............
> > > ........Roadsters............
>
=== message truncated ===
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